ATMEGA168V-10MU Detailed explanation of pin function specifications and circuit principle instructions（223 ）
The model "ATMEGA168V-10MU" is part of the Atmel brand (which is now under Microchip Technology Inc., after being acquired). It belongs to the AVR family of microcontrollers.
Package Type:
The "ATMEGA168V-10MU" specifically refers to a microcontroller in a TQFP (Thin Quad Flat Package) with 32 pins. This means that the chip has 32 pins that connect to the outside world, typically arranged in a square form factor.
Pinout and Pin Function Specifications:
The ATMEGA168V-10MU microcontroller has 32 pins, and here is a detailed breakdown of each pin function:
Pin Number Pin Name Pin Function 1 VCC Power supply voltage (typically +5V or +3.3V) 2 GND Ground pin, used to complete the circuit 3 PORTB0 Digital I/O, can be used for general purpose I/O or as a specialized function 4 PORTB1 Digital I/O, can be used for general purpose I/O or as a specialized function 5 PORTB2 Digital I/O, can be used for general purpose I/O or as a specialized function 6 PORTB3 Digital I/O, can be used for general purpose I/O or as a specialized function 7 PORTB4 Digital I/O, can be used for general purpose I/O or as a specialized function 8 PORTB5 Digital I/O, can be used for general purpose I/O or as a specialized function 9 PORTB6 Digital I/O, can be used for general purpose I/O or as a specialized function 10 PORTB7 Digital I/O, can be used for general purpose I/O or as a specialized function 11 VREF+ Voltage reference input for ADC 12 VREF- Voltage reference input for ADC 13 AREF Analog reference pin for the ADC 14 AVCC Analog power supply pin for the ADC 15 PC0 Analog input pin for the ADC (or digital I/O) 16 PC1 Analog input pin for the ADC (or digital I/O) 17 PC2 Analog input pin for the ADC (or digital I/O) 18 PC3 Analog input pin for the ADC (or digital I/O) 19 PC4 Analog input pin for the ADC (or digital I/O) 20 PC5 Analog input pin for the ADC (or digital I/O) 21 PD0 Digital I/O, also used as RXD (UART receive) 22 PD1 Digital I/O, also used as TXD (UART transmit) 23 PD2 Digital I/O, interrupt function (INT0) 24 PD3 Digital I/O, interrupt function (INT1) 25 PD4 Digital I/O 26 PD5 Digital I/O 27 PD6 Digital I/O 28 PD7 Digital I/O 29 RESET Reset pin, used to reset the microcontroller 30 XTAL1 External oscillator input for the clock 31 XTAL2 External oscillator output for the clock 32 AVCC Analog power supply pin for the ADCFAQ for ATMEGA168V-10MU (32-Pin Version):
What is the power supply voltage for the ATMEGA168V-10MU? The typical power supply voltage for the ATMEGA168V-10MU is +5V or +3.3V, depending on the specific application. What is the function of the RESET pin? The RESET pin (pin 29) is used to reset the microcontroller. When held low for a specific duration, it forces the microcontroller to restart. What are the possible input/output functions of the PORTB pins? PORTB pins (pins 3 to 10) can function as general-purpose digital I/O or can be configured for specific functions such as PWM, SPI, and other communication protocols. Can the ATMEGA168V-10MU support analog inputs? Yes, the ATMEGA168V-10MU has 6 analog input pins (PC0 to PC5) that can be used with the ADC (Analog-to-Digital Converter) to convert analog signals into digital values. What is the purpose of the AREF pin? The AREF pin (pin 13) is used to provide a reference voltage for the ADC, ensuring the ADC can measure the input voltage accurately. What is the function of the UART pins (PD0 and PD1)? PD0 (RXD) and PD1 (TXD) are used for UART (Universal Asynchronous Receiver/Transmitter) communication. RXD is the receive pin, and TXD is the transmit pin. Can I use the ATMEGA168V-10MU with external oscillators? Yes, the ATMEGA168V-10MU supports external oscillators via the XTAL1 (pin 30) and XTAL2 (pin 31) pins. What does the AVCC pin do? The AVCC pin (pins 14 and 32) is the analog power supply pin used for the ADC. It should be connected to the same supply voltage as VCC for proper operation. Can the ATMEGA168V-10MU handle interrupts? Yes, the ATMEGA168V-10MU supports external interrupts, such as those on PD2 (INT0) and PD3 (INT1), which can be used to trigger an interrupt service routine.How many I/O pins does the ATMEGA168V-10MU have?
The ATMEGA168V-10MU has a total of 23 I/O pins, which can be configured as digital I/O or used for specific peripheral functions.What is the VREF+ pin used for?
The VREF+ pin (pin 11) is used to provide a reference voltage for the ADC's measurement range, allowing accurate analog-to-digital conversions.What is the maximum clock speed of the ATMEGA168V-10MU?
The maximum clock speed for the ATMEGA168V-10MU is 20 MHz when using the external oscillator.How do I power the ATMEGA168V-10MU?
You can power the ATMEGA168V-10MU via the VCC pin (pin 1) and connect it to ground using the GND pin (pin 2).How can I use the analog pins (PC0 to PC5)?
The analog pins (PC0 to PC5) can be configured as analog inputs for the ADC or digital I/O based on your application requirements.What are the typical applications of the ATMEGA168V-10MU?
The ATMEGA168V-10MU is used in embedded systems, sensors, controllers, robotics, and communication devices.What is the function of the VCC and GND pins?
The VCC pin provides the supply voltage for the chip, while the GND pin connects to the system's ground to complete the electrical circuit.What is the role of the VREF- pin?
The VREF- pin (pin 12) is used to provide the low reference voltage for the ADC when performing analog-to-digital conversions.Can I use the ATMEGA168V-10MU for pulse-width modulation (PWM)?
Yes, the ATMEGA168V-10MU supports PWM on several pins, such as PORTB0 to PORTB5, which can be configured to control the duty cycle of the PWM signal.How can I reset the ATMEGA168V-10MU?
To reset the ATMEGA168V-10MU, you can apply a low signal to the RESET pin for a specified duration, typically around 50 ms.Does the ATMEGA168V-10MU support SPI?
Yes, the ATMEGA168V-10MU supports SPI communication through pins PORTB (pins 3 to 5) for MISO, MOSI, and SCK functions.Let me know if you need further clarification or more specific details!
